Break the scan bran into a mixing bowl and add boiling water, a bit at a time to soften them, mash into a smooth mix.

Grate the peeled carrots, drain as much liquid out of them as possible,
and then place in a towel and wring out any remaining liquid. Add to
mixing bowl along with the ginger, sweetener, spices & lemon zest,
mix well.

Separate the egg yolks and add to mix, beat the whites until stiff then fold into the mixture.

Preheat the oven to 200c and prepare a loaf tin, line with greaseproof paper cut to fit, reduce the heat to 180c

Place on the middle shelf for 40 mins, insert a metal skewer into the
middle of the cake and when you pull it out and it comes out clean, the
cake is done.